# Rheem vs Lennox Smart Tech

Rheem and Lennox Smart Tech both sit at 4.6 stars, but that hides the real split: 43% of Rheem's written reviews are positive against 0% of Lennox Smart Tech's. Rheem also leads on ratings volume (1.7K vs 60). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.6 for Rheem against 4.5 for Lennox Smart Tech. That said, the two scores are not equally well evidenced: Rheem has 1.7K ratings behind it against 60, so its average is the more settled of the two. Written reviews are what separate them: 43% of Rheem's written reviews are positive against 0% of Lennox Smart Tech's.

Rheem ships an update monthly, Lennox Smart Tech every 2 months. The most recent releases landed on September 24, 2026 and August 15, 2026 respectively.

## The numbers

| Metric | Rheem | Lennox Smart Tech |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (1.7K ratings)](https://appshunter.io/ios/app/rheem/id1604626837/reviews)** | [4.5 (60 ratings)](https://appshunter.io/ios/app/lennox-smart-tech/id6443907644/reviews) |
| Number of ratings | **1.7K** | 60 |
| Positive reviews | **42.9% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | Free |
| Size | 109 MB | 98 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Rheem Manufacturing Company](https://appshunter.io/developer/853793269) | [Lennox Industries](https://appshunter.io/developer/355049651) |

## What reviewers say

### Rheem

[App page](https://appshunter.io/ios/app/rheem/id1604626837)

This app streamlines HVAC installation and service for contractors. It offers Bluetooth connectivity for system setup and troubleshooting, along with comprehensive support for product information, warranty tracking, and locating resources.

**Highlights:** Bluetooth setup and troubleshooting, System monitoring and status checks, Alarm diagnosis and history, Parts replacement guidance, Access to manuals and tech sheets, Warranty tracking and certificate sharing, Retailer and distributor locator

**Features:** Vision Pro support

**In-app purchases:** none


### Lennox Smart Tech

[App page](https://appshunter.io/ios/app/lennox-smart-tech/id6443907644)

Streamline the installation and servicing of compatible home comfort systems. This app allows for remote testing, diagnostics, and system setting adjustments directly from a smartphone, reducing the need to physically interact with equipment.

**Highlights:** Install and service home comfort systems, Test and run diagnostics remotely, Adjust system settings from smartphone, Compatible with Lennox S40/L40/M40/E40 Smart Thermostats, Direct smartphone control

**In-app purchases:** none


## Frequently asked questions

### Is Rheem free?

Rheem is free to download, with no in-app purchases.

### Is Lennox Smart Tech free?

Lennox Smart Tech is free to download, with no in-app purchases.

### Which has better reviews, Rheem or Lennox Smart Tech?

Rheem is rated higher. Rheem averages 4.6 out of 5 from 1.7K ratings, while Lennox Smart Tech averages 4.5 from 60 ratings.

### Do Rheem or Lennox Smart Tech have ads?

Neither Rheem nor Lennox Smart Tech shows ads.

### Which is updated more often, Rheem or Lennox Smart Tech?

Rheem ships an update monthly, and Lennox Smart Tech every 2 months. Most recently, Rheem was updated on September 24, 2026 and Lennox Smart Tech on August 15, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*